DECODING INFLATABLE TUBES CSM v PVC

Almost all inflatable craft are constructed with either PVC or CSM fabric.

Hypalon was discontinued by its manufacturer (DuPont) and is now sold under a slightly different formula with new name "CSM" or Chlorosulfonated Polyethylene Rubber.

 

CSM (Hypalon®) BRANDS FOR INFLATABLES

Brand

Manufacturer

Country of Origin

Comments

 Orca 

 Pennel & Flipo

 Belgium

 World Leader  (multiple products)

 Dtex 1100

 Achilles

 Japan

 Only used by Mercury and Achilles

 Toso-CSM CN1500

 Tosoh

 Japan

 

 Hypatex 

 D & D

 Italy

 

 Hypalon®

 DuPont

 USA

 Discontinued in 2010

 

PVC (Polyvinyl Chloride) BRANDS FOR INFLATABLES

Brand

Manufacturer

Country of Origin

 Valmex - Mainstream

 Mehler

 Germany

 Valmex - Heavy Duty

 Mehler

 Germany

 Strongan Duotex

 Zodiac

 China

 

There is a myriad of information regarding the differences, pros and cons, strengths and weaknesses of CSM versus PVC.

The below table attempts to correlate and compare the properties of each from various sources.

CSM (Hypalon®) versus PVC

Property

CSM

PVC

 Material Price

High

Low

 Tube Seams

Glued

Thermowelded

 Process to attach tubes to hull

Glued

Glued

 Air retention

Excellent

Excellent

 Abrasion Resistance

Good

Average

 Solvent Resistance

Good

Poor

 UV Resistance

High

Low

 Heat Resistant

High

Low

 Sunscreen/Insect Repellent Resistance

High

Low

 Suitability for Tropical Areas

High

Low

 Average life cycle (Years)

15 to 20

5 to 10

 Sectors

Rescue, Commercial & Leisure

Leisure